hi i`m new to the salt water world. i have a 75gal fowlr it`s been going for about 2.5 mts it`s going good but i have a brown alge on my live rock and sand is this bad or will it burn away the levels are goos except nitrAte at 40 i have i clown and 5 green chromis. i do a pwc every 2 weeks should i be changing more or is this ok
any help would be great
thanks jeff

i will start to do more pwc. i feed the fish everyother day. i`m getting ready to get the protein skimmer but was wondering if i should get the cleanup crew first there will be about a 2 week diff between getting the 2
thanks